include/babeltrace/ctf-ir/clock-value-internal.h

   1 #ifndef BABELTRACE_CTF_IR_CLOCK_VALUE_INTERNAL_H
   2 #define BABELTRACE_CTF_IR_CLOCK_VALUE_INTERNAL_H
   3
   4 /*
   5  * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  */
  25
  26 #include <babeltrace/babeltrace-internal.h>
  27 #include <babeltrace/object-internal.h>
  28 #include <stdbool.h>
  29 #include <stdint.h>
  30
  31 struct bt_clock_class;
  32
  33 struct bt_clock_value {
  34         struct bt_object base;
  35         struct bt_clock_class *clock_class;
  36         uint64_t value;
  37         bool ns_from_epoch_overflows;
  38         int64_t ns_from_epoch;
  39         bool is_set;
  40         bool frozen;
  41 };
  42
  43 static inline
  44 void bt_clock_value_set(struct bt_clock_value *clock_value)
  45 {
  46         BT_ASSERT(clock_value);
  47         clock_value->is_set = true;
  48 }
  49
  50 static inline
  51 void bt_clock_value_reset(struct bt_clock_value *clock_value)
  52 {
  53         BT_ASSERT(clock_value);
  54         clock_value->is_set = false;
  55 }
  56
  57 BT_UNUSED
  58 static inline
  59 void _bt_clock_value_set_is_frozen(struct bt_clock_value *clock_value,
  60                 bool is_frozen)
  61 {
  62         BT_ASSERT(clock_value);
  63         clock_value->frozen = is_frozen;
  64 }
  65
  66 #ifdef BT_DEV_MODE
  67 # define bt_clock_value_set_is_frozen   _bt_clock_value_set_is_frozen
  68 #else
  69 # define bt_clock_value_set_is_frozen(_x, _f)
  70 #endif /* BT_DEV_MODE */
  71
  72 BT_HIDDEN
  73 struct bt_clock_value *bt_clock_value_create(
  74                 struct bt_clock_class *clock_class);
  75
  76 BT_HIDDEN
  77 void bt_clock_value_recycle(struct bt_clock_value *clock_value);
  78
  79 BT_HIDDEN
  80 void bt_clock_value_set_raw_value(struct bt_clock_value *clock_value,
  81                 uint64_t cycles);
  82
  83 #endif /* BABELTRACE_CTF_IR_CLOCK_VALUE_INTERNAL_H */